hi have had phone back to supplier to un BRICK my phone, gone and set up phone but still has SIM CARD error tried firmware upgrade but only went back to the BRICK error. what can i do to have phone reading sim card again ? Darren

Hello friend, to save both of our time and accurately locate your problem and solve your issue at soonest.
Please offer more details as below:
1. Your location and how long have you used your phone?
2. Did you set anything on your phone or install some apps before this problem happened?
3. Please offer some video or pictures at the same time.

have had phone since November used firmware upgrade to read Sim, this worked first time. removed sim to upload more contacts to phone placed sim back in then it didn't sim so tried firmware again but went as far to brick the phone if i went further

Darren Jenkin wrote:

have had phone since November used firmware upgrade to read Sim, this worked first time. removed sim to upload more contacts to phone placed sim back in then it didn't sim so tried firmware again but went as far to brick the phone if i went further

Please make sure the sim card is connected well with your phone.

like no shit, really is that the best you can do